Snow Squalls May Impact New Year's Eve Travel from the Great Lakes to the Mid-Atlantic; Heavy Rain & Isolated Severe Thunderstorms in Southern California

Snow squalls are likely to cross the Lower Great Lakes this evening and the Ohio Valley through the interior Northeast/northern Mid-Atlantic overnight, before potentially reaching the I-95 corridor from D.C. to New York City early New Year’s Day morning. Heavy rain and isolated severe thunderstorms will impact coastal southern California including Los Angeles tonight into early on New Year's Day. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

48°F

9°C

Humidity 95%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 31 Dec 04:26 PM PST
Extended Forecast for

16 Miles W Williams CA

  • This Afternoon

    This Afternoon: Rain.  Steady temperature around 48. Light north wind.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain.  Patchy fog after 7pm. Steady temperature around 45. North wind 3 to 5 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 45 °F

    Rain and
    Patchy Fog

  • New Year's Day

    New Year's Day: Rain.  High near 53. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 53 °F

    Rain

  • Thursday Night

    Thursday Night: Rain, mainly before 4am.  Low around 46. South wind around 9 mph.  Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Rain then
    Rain Likely

  • Friday

    Friday: Rain, mainly after 10am.  High near 53. Southeast wind 9 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 80%.

    High: 53 °F

    Rain

  • Friday Night

    Friday Night: Rain.  Low around 46. Chance of precipitation is 100%.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: Rain.  High near 53. Chance of precipitation is 100%.

    High: 53 °F

    Rain

  • Saturday Night

    Saturday Night: Rain.  Cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Sunday

    Sunday: Rain.  Cloudy, with a high near 52.

    High: 52 °F

    Rain

Detailed Forecast

This Afternoon
Rain. Steady temperature around 48. Light north wind. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain. Patchy fog after 7pm. Steady temperature around 45. North wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
New Year's Day
Rain. High near 53. Light and variable wind becoming south southeast 5 to 7 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
Rain, mainly before 4am. Low around 46. South wind around 9 mph. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain, mainly after 10am. High near 53. Southeast wind 9 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%.
Friday Night
Rain. Low around 46. Chance of precipitation is 100%.
Saturday
Rain. High near 53. Chance of precipitation is 100%.
Saturday Night
Rain. Cloudy, with a low around 45.
Sunday
Rain. Cloudy, with a high near 52.
Sunday Night
Rain. Mostly cloudy, with a low around 42.
Monday
Rain. Mostly cloudy, with a high near 50.
Monday Night
Rain likely. Mostly cloudy, with a low around 41.
Tuesday
A chance of rain. Mostly sunny, with a high near 51.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 38.
Wednesday
A chance of rain. Partly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles W Williams CA
 39.17°N 122.43°W (Elev. 1398 ft)
1:21 pm PST Dec 31, 2025
5pm PST Dec 31, 2025-6pm PST Jan 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database